19770510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 47568672

約数和(自身を除く): 27798162

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 661, 997, 1322, 1983, 1994, 2991, 3305, 3966, 4985, 5982, 6610, 9915, 9970, 14955, 19830, 29910, 659017, 1318034, 1977051, 3295085, 3954102, 6590170, 9885255, 19770510]

約数ペア:

[(1, 19770510), (2, 9885255), (3, 6590170), (5, 3954102), (6, 3295085), (10, 1977051), (15, 1318034), (30, 659017), (661, 29910), (997, 19830), (1322, 14955), (1983, 9970), (1994, 9915), (2991, 6610), (3305, 5982), (3966, 4985)]